Pulse Amplifier R613

This document is a technical schematic diagram for the Digital Equipment Corporation Pulse Amplifier, model R613 (Revision C), dated 1966. The circuit board design utilizes DEC 3639B transistors and various diodes to manage signal pulse amplification. The schematic details the wiring, electrical values for resistors and capacitors, and includes a conversion chart for the transistors and diodes used in the assembly. It is intended for test and maintenance purposes and notes that the circuitry is proprietary to Digital Equipment Corporation.